Hustad Katherine C, Cahill Meghan A
Department of Communication Sciences and Disorders, The Pennsylvania State University, 110 Moore Building, University Park, PA 16802, USA.
Am J Speech Lang Pathol. 2003 May;12(2):198-208. doi: 10.1044/1058-0360(2003/066).
Clinical measures of speech intelligibility are widely used as one means of characterizing the speech of individuals with dysarthria. Many variables associated with both the speaker and the listener contribute to what is actually measured as intelligibility. The present study explored the effects of presentation modality (audiovisual vs. audio-only information) and the effects of speaker-specific familiarization across 4 trials on the intelligibility of speakers with mild and severe dysarthria associated with cerebral palsy. Results revealed that audiovisual information did not enhance intelligibility relative to audio-only information for 4 of the 5 speakers studied. The one speaker whose intelligibility increased when audiovisual information was presented had the most severe dysarthria and concomitant motor impairments. Results for speakerspecific repeated familiarization were relatively homogeneous across speakers, demonstrating significant intelligibility score improvements across 4 trials and, in particular, a significant improvement in intelligibility between the 1st and 4th trials.
言语可懂度的临床测量方法被广泛用作描述构音障碍患者言语特征的一种手段。与说话者和听者相关的许多变量都会影响实际测量的可懂度。本研究探讨了呈现方式（视听信息与仅音频信息）以及在4次试验中特定说话者熟悉度对与脑瘫相关的轻度和重度构音障碍患者言语可懂度的影响。结果显示，在所研究的5名说话者中，有4名说话者的视听信息相对于仅音频信息并未提高可懂度。在呈现视听信息时可懂度提高的那名说话者患有最严重的构音障碍及伴随的运动障碍。特定说话者重复熟悉度的结果在各说话者之间相对一致，表明在4次试验中可懂度得分有显著提高，尤其是在第1次和第4次试验之间可懂度有显著改善。
